Quote:
Originally Posted by insa
Thanks for the update and spring info 
Head and overall setup look great  Hope you get to drive it soon. |
Sure, sorry it took a while. Thanks, I hope so too. Aiming to dyno tune by the end of August.
Quote:
Originally Posted by TheRealSy90
What's wrong with the factory p12 springs? A you went to oem det springs or aftermarket springs?
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Nothing is wrong with them, I just wanted stiffer for higher RPM. Same reason why people do springs on DET heads.
I used Brian Crower BC1200 springs:
Spring Pressure: BC1200 Seat: 1.550" @ 90 lbs / Open: 1.025" @ 220 lbs